private static long GetHdfTypeIdFromType(Type type)
{
var elementType = type.IsArray ? type.GetElementType() : type;
if (elementType == typeof(bool))
{
return(H5T.NATIVE_UINT8);
}
else if (elementType == typeof(byte))
{
return(H5T.NATIVE_UINT8);
}
else if (elementType == typeof(sbyte))
{
return(H5T.NATIVE_INT8);
}
else if (elementType == typeof(ushort))
{
return(H5T.NATIVE_UINT16);
}
else if (elementType == typeof(short))
{
return(H5T.NATIVE_INT16);
}
else if (elementType == typeof(uint))
{
return(H5T.NATIVE_UINT32);
}
else if (elementType == typeof(int))
{
return(H5T.NATIVE_INT32);
}
else if (elementType == typeof(ulong))
{
return(H5T.NATIVE_UINT64);
}
else if (elementType == typeof(long))
{
return(H5T.NATIVE_INT64);
}
else if (elementType == typeof(float))
{
return(H5T.NATIVE_FLOAT);
}
else if (elementType == typeof(double))
{
return(H5T.NATIVE_DOUBLE);
}
// issues: https://en.wikipedia.org/wiki/Long_double
//else if (elementType == typeof(decimal))
// return H5T.NATIVE_LDOUBLE;
else if (elementType.IsEnum)
{
var baseTypeId = TestUtils.GetHdfTypeIdFromType(Enum.GetUnderlyingType(elementType));
var typeId = H5T.enum_create(baseTypeId);
foreach (var value in Enum.GetValues(type))
{
var value_converted = Convert.ToInt64(value);
var name = Enum.GetName(type, value_converted);
var handle = GCHandle.Alloc(value_converted, GCHandleType.Pinned);
H5T.enum_insert(typeId, name, handle.AddrOfPinnedObject());
}
return(typeId);
}
else if (elementType == typeof(string) || elementType == typeof(IntPtr))
{
var typeId = H5T.copy(H5T.C_S1);
H5T.set_size(typeId, H5T.VARIABLE);
H5T.set_cset(typeId, H5T.cset_t.UTF8);
return(typeId);
}
else if (elementType.IsValueType && !elementType.IsPrimitive)
{
var typeId = H5T.create(H5T.class_t.COMPOUND, new IntPtr(Marshal.SizeOf(elementType)));
foreach (var fieldInfo in elementType.GetFields())
{
var fieldType = TestUtils.GetHdfTypeIdFromType(fieldInfo.FieldType);
var attribute = fieldInfo.GetCustomAttribute <H5NameAttribute>(true);
var hdfFieldName = attribute is not null ? attribute.Name : fieldInfo.Name;
H5T.insert(typeId, hdfFieldName, Marshal.OffsetOf(elementType, fieldInfo.Name), fieldType);
if (H5I.is_valid(fieldType) > 0)
{
H5T.close(fieldType);
}
}
return(typeId);
}
else
{
throw new NotSupportedException();
}
}